155851112 has 16 divisors (see below), whose sum is σ = 296583360. Its totient is φ = 76762224.

The previous prime is 155851103. The next prime is 155851117. The reversal of 155851112 is 211158551.

It is a super-2 number, since 2×155851112² = 48579138223273088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155851117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144848 + ... + 145919.

It is an arithmetic number, because the mean of its divisors is an integer number (18536460).

Almost surely, 2^155851112 is an apocalyptic number.

It is an amenable number.

155851112 is a deficient number, since it is larger than the sum of its proper divisors (140732248).

155851112 is a wasteful number, since it uses less digits than its factorization.

155851112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290840 (or 290836 counting only the distinct ones).

The product of its digits is 2000, while the sum is 29.

The square root of 155851112 is about 12484.0342838363. The cubic root of 155851112 is about 538.1499469181.

The spelling of 155851112 in words is "one hundred fifty-five million, eight hundred fifty-one thousand, one hundred twelve".